Finding the Fourth Proportional to 13,814.31, 19,058.72 and 7,842.52

Step by Step Solution

1. Step 1: Write the proportion equation
   13,814.31 : 19,058.72 = 7,842.52 : x
2. Step 2: Convert to fraction form
   13,814.31/19,058.72 = 7,842.52/x
3. Step 3: Cross multiply
   13,814.31x = 19,058.72 × 7,842.52
4. Step 4: Simplify right side
   13,814.31x = 149,468,399.44
5. Step 5: Solve for x
   x = 149,468,399.44/13,814.31
6. Step 6: Final answer
   x = 10,819.82